decompile sub_80A50C8

2 files changed, 103 insertions, 234 deletions

diff --git a/asm/item_menu.s b/asm/item_menu.s
index 563c1b98e..2061aa1b0 100644
--- a/asm/item_menu.s
+++ b/asm/item_menu.s
@@ -6,240 +6,6 @@
 
 	.text
 
-	thumb_func_start sub_80A50C8
-sub_80A50C8: @ 80A50C8
-	push {r4-r7,lr}
-	lsls r0, 24
-	lsrs r4, r0, 24
-	lsls r0, r4, 2
-	adds r0, r4
-	lsls r0, 3
-	ldr r1, _080A5148 @ =gTasks + 0x8
-	adds r5, r0, r1
-	ldr r0, _080A514C @ =gPaletteFade
-	ldrb r1, [r0, 0x7]
-	movs r0, 0x80
-	ands r0, r1
-	cmp r0, 0
-	beq _080A50E6
-	b _080A52BC
-_080A50E6:
-	adds r0, r4, 0
-	bl sub_80A4F74
-	lsls r0, 24
-	lsrs r0, 24
-	cmp r0, 0x1
-	bne _080A50F6
-	b _080A526A
-_080A50F6:
-	ldr r2, _080A5150 @ =gMain
-	ldrh r1, [r2, 0x2E]
-	movs r0, 0x4
-	ands r0, r1
-	cmp r0, 0
-	beq _080A5190
-	ldr r3, _080A5154 @ =gUnknown_02038559
-	ldrb r0, [r3]
-	subs r0, 0x2
-	lsls r0, 24
-	lsrs r0, 24
-	cmp r0, 0x1
-	bls _080A5190
-	ldr r0, _080A5158 @ =gUnknown_03000701
-	ldrb r0, [r0]
-	cmp r0, 0x1
-	bhi _080A5190
-	movs r1, 0x14
-	ldrsh r0, [r5, r1]
-	cmp r0, 0
-	bne _080A5160
-	ldr r1, _080A515C @ =gUnknown_03005D10
-	movs r0, 0
-	ldrsb r0, [r3, r0]
-	lsls r0, 2
-	adds r0, r1
-	ldrb r1, [r0, 0x1]
-	ldrb r2, [r0]
-	adds r1, r2
-	ldrb r0, [r0, 0x2]
-	cmp r1, r0
-	bne _080A5138
-	b _080A526A
-_080A5138:
-	movs r0, 0x5
-	bl PlaySE
-	adds r0, r4, 0
-	bl sub_80A3F50
-	b _080A526A
-	.align 2, 0
-_080A5148: .4byte gTasks + 0x8
-_080A514C: .4byte gPaletteFade
-_080A5150: .4byte gMain
-_080A5154: .4byte gUnknown_02038559
-_080A5158: .4byte gUnknown_03000701
-_080A515C: .4byte gUnknown_03005D10
-_080A5160:
-	ldr r1, _080A5184 @ =gUnknown_03005D10
-	movs r0, 0
-	ldrsb r0, [r3, r0]
-	lsls r0, 2
-	adds r0, r1
-	ldrb r1, [r0, 0x1]
-	ldrb r2, [r0]
-	adds r1, r2
-	ldrb r0, [r0, 0x2]
-	cmp r1, r0
-	beq _080A5188
-	movs r0, 0x5
-	bl PlaySE
-	adds r0, r4, 0
-	bl sub_80A3E90
-	b _080A526A
-	.align 2, 0
-_080A5184: .4byte gUnknown_03005D10
-_080A5188:
-	adds r0, r4, 0
-	bl sub_80A3EF4
-	b _080A526A
-_080A5190:
-	ldrh r2, [r2, 0x2E]
-	movs r0, 0x1
-	ands r0, r2
-	cmp r0, 0
-	beq _080A5272
-	ldr r7, _080A51D4 @ =gUnknown_03005D10
-	ldr r6, _080A51D8 @ =gUnknown_02038559
-	movs r0, 0
-	ldrsb r0, [r6, r0]
-	lsls r0, 2
-	adds r0, r7
-	ldrb r1, [r0, 0x1]
-	ldrb r2, [r0]
-	adds r1, r2
-	ldrb r0, [r0, 0x2]
-	cmp r1, r0
-	bne _080A51F0
-	movs r0, 0x14
-	ldrsh r1, [r5, r0]
-	cmp r1, 0
-	bne _080A51E8
-	ldr r0, _080A51DC @ =gScriptItemId
-	strh r1, [r0]
-	ldr r1, _080A51E0 @ =gUnknown_083C16BC
-	ldr r0, _080A51E4 @ =gUnknown_03000701
-	ldrb r0, [r0]
-	lsls r0, 3
-	adds r1, 0x4
-	adds r0, r1
-	ldr r1, [r0]
-	adds r0, r4, 0
-	bl _call_via_r1
-	b _080A526A
-	.align 2, 0
-_080A51D4: .4byte gUnknown_03005D10
-_080A51D8: .4byte gUnknown_02038559
-_080A51DC: .4byte gScriptItemId
-_080A51E0: .4byte gUnknown_083C16BC
-_080A51E4: .4byte gUnknown_03000701
-_080A51E8:
-	adds r0, r4, 0
-	bl sub_80A3EF4
-	b _080A526A
-_080A51F0:
-	movs r1, 0x14
-	ldrsh r0, [r5, r1]
-	cmp r0, 0
-	bne _080A5264
-	movs r0, 0x5
-	bl PlaySE
-	ldr r2, _080A5250 @ =gUnknown_02038560
-	movs r1, 0
-	ldrsb r1, [r6, r1]
-	lsls r1, 2
-	adds r1, r7
-	ldrb r0, [r1]
-	ldrb r1, [r1, 0x1]
-	adds r0, r1
-	strb r0, [r2]
-	ldr r3, _080A5254 @ =gScriptItemId
-	ldrb r0, [r2]
-	ldr r1, _080A5258 @ =gUnknown_03005D24
-	ldr r1, [r1]
-	lsls r0, 2
-	adds r0, r1
-	ldrh r0, [r0]
-	strh r0, [r3]
-	ldr r1, _080A525C @ =gUnknown_083C16BC
-	ldr r0, _080A5260 @ =gUnknown_03000701
-	ldrb r0, [r0]
-	lsls r0, 3
-	adds r0, r1
-	ldr r1, [r0]
-	adds r0, r4, 0
-	bl _call_via_r1
-	movs r0, 0
-	bl sub_80F98A4
-	movs r0, 0x1
-	bl sub_80F98A4
-	movs r0, 0x2
-	bl sub_80F98A4
-	movs r0, 0x3
-	bl sub_80F98A4
-	bl sub_80A797C
-	b _080A526A
-	.align 2, 0
-_080A5250: .4byte gUnknown_02038560
-_080A5254: .4byte gScriptItemId
-_080A5258: .4byte gUnknown_03005D24
-_080A525C: .4byte gUnknown_083C16BC
-_080A5260: .4byte gUnknown_03000701
-_080A5264:
-	adds r0, r4, 0
-	bl sub_80A3E90
-_080A526A:
-	adds r0, r4, 0
-	bl sub_808B5B4
-	b _080A52BC
-_080A5272:
-	movs r0, 0x2
-	ands r0, r2
-	cmp r0, 0
-	beq _080A52BC
-	movs r0, 0x14
-	ldrsh r1, [r5, r0]
-	cmp r1, 0
-	bne _080A52B0
-	ldr r2, _080A52A4 @ =gUnknown_03000701
-	ldrb r0, [r2]
-	cmp r0, 0x5
-	beq _080A52B6
-	ldr r0, _080A52A8 @ =gScriptItemId
-	strh r1, [r0]
-	ldr r1, _080A52AC @ =gUnknown_083C16BC
-	ldrb r0, [r2]
-	lsls r0, 3
-	adds r1, 0x4
-	adds r0, r1
-	ldr r1, [r0]
-	adds r0, r4, 0
-	bl _call_via_r1
-	b _080A52B6
-	.align 2, 0
-_080A52A4: .4byte gUnknown_03000701
-_080A52A8: .4byte gScriptItemId
-_080A52AC: .4byte gUnknown_083C16BC
-_080A52B0:
-	adds r0, r4, 0
-	bl sub_80A3EF4
-_080A52B6:
-	adds r0, r4, 0
-	bl sub_808B5B4
-_080A52BC:
-	pop {r4-r7}
-	pop {r0}
-	bx r0
-	thumb_func_end sub_80A50C8
-
 	thumb_func_start sub_80A52C4
 sub_80A52C4: @ 80A52C4
 	push {r4,lr}
diff --git a/src/item_menu.c b/src/item_menu.c
index e4fa382f0..de47cbd17 100644
--- a/src/item_menu.c
+++ b/src/item_menu.c
@@ -39,6 +39,7 @@ extern s8 gUnknown_02038559;  // selected pocket
 extern u8 gUnknown_0203855A;
 extern u8 gUnknown_0203855B;
 extern u8 gUnknown_0203855C;
+extern u8 gUnknown_02038560;
 extern u8 gUnknown_02038562;
 extern u8 gUnknown_02038564;
 extern u8 gUnknown_03000700;
@@ -54,6 +55,7 @@ extern void sub_80F9988();
 extern void sub_809D104(u16 *, u16, u16, const u8 *, u16, u16, u16, u16);
 extern void PauseVerticalScrollIndicator();
 extern u8 sub_80F9284(void);
+extern void sub_808B5B4();
 
 extern const struct CompressedSpriteSheet gUnknown_083C1CC8;
 extern const struct CompressedSpriteSheet gUnknown_083C1CD0;
@@ -104,6 +106,7 @@ const u8 gUnknown_083C1690[][6] =
     {0, 8, 3, 2, 0, 0},
 };
 */
+extern const TaskFunc gUnknown_083C16BC[][2];
 
 void sub_80A34E8(void);
 bool8 sub_80A3520(void);
@@ -138,6 +141,7 @@ void sub_80A770C(void);
 void sub_80A7828(void);
 void sub_80A7834();
 void sub_80A78B8(void);
+void sub_80A797C(void);
 void CreateBagSprite(void);
 void CreateBagPokeballSprite();
 void sub_80A7C64(void);
@@ -1583,3 +1587,102 @@ bool8 sub_80A4F74(u8 a)
     }
     return retVal;
 }
+
+void sub_80A50C8(u8 taskId)
+{
+    s16 *r5 = gTasks[taskId].data;
+
+    if (!gPaletteFade.active)
+    {
+        if (sub_80A4F74(taskId) == TRUE)
+        {
+            sub_808B5B4(taskId);
+            return;
+        }
+
+        if ((gMain.newKeys & SELECT_BUTTON)
+         && !(gUnknown_02038559 == 3 || gUnknown_02038559 == 2)
+         && gUnknown_03000701 < 2)
+        {
+            if (r5[10] == 0)
+            {
+                if (gUnknown_03005D10[gUnknown_02038559].unk1 + gUnknown_03005D10[gUnknown_02038559].unk0 != gUnknown_03005D10[gUnknown_02038559].unk2)
+                {
+                    PlaySE(SE_SELECT);
+                    sub_80A3F50(taskId);
+                }
+                sub_808B5B4(taskId);
+            }
+            else
+            {
+                if (gUnknown_03005D10[gUnknown_02038559].unk1 + gUnknown_03005D10[gUnknown_02038559].unk0 != gUnknown_03005D10[gUnknown_02038559].unk2)
+                {
+                    PlaySE(SE_SELECT);
+                    sub_80A3E90(taskId);
+                }
+                else
+                {
+                    sub_80A3EF4(taskId);
+                }
+                sub_808B5B4(taskId);
+            }
+            return;
+        }
+
+        if (gMain.newKeys & A_BUTTON)
+        {
+            if (gUnknown_03005D10[gUnknown_02038559].unk1 + gUnknown_03005D10[gUnknown_02038559].unk0 == gUnknown_03005D10[gUnknown_02038559].unk2)
+            {
+                if (r5[10] == 0)
+                {
+                    gScriptItemId = 0;
+                    gUnknown_083C16BC[gUnknown_03000701][1](taskId);
+                }
+                else
+                {
+                    sub_80A3EF4(taskId);
+                }
+                sub_808B5B4(taskId);
+            }
+            else
+            {
+                if (r5[10] == 0)
+                {
+                    PlaySE(SE_SELECT);
+                    gUnknown_02038560 = gUnknown_03005D10[gUnknown_02038559].unk1 + gUnknown_03005D10[gUnknown_02038559].unk0;
+                    gScriptItemId = gUnknown_03005D24[gUnknown_02038560].itemId;
+                    gUnknown_083C16BC[gUnknown_03000701][0](taskId);
+                    sub_80F98A4(0);
+                    sub_80F98A4(1);
+                    sub_80F98A4(2);
+                    sub_80F98A4(3);
+                    sub_80A797C();
+                }
+                else
+                {
+                    sub_80A3E90(taskId);
+                }
+                sub_808B5B4(taskId);
+            }
+            return;
+        }
+
+        if (gMain.newKeys & B_BUTTON)
+        {
+            if (r5[10] == 0)
+            {
+                if (gUnknown_03000701 != 5)
+                {
+                    gScriptItemId = 0;
+                    gUnknown_083C16BC[gUnknown_03000701][1](taskId);
+                }
+            }
+            else
+            {
+                sub_80A3EF4(taskId);
+            }
+            sub_808B5B4(taskId);
+            return;
+        }
+    }
+}